code: def test_neighboring_sets_neighbor_alignment_info(self):
      # arrange
      a_info = AlignmentInfo(
          (0, 3, 2),
          (None, "des", "œufs", "verts"),
          ("UNUSED", "green", "eggs"),
          [[], [], [2], [1]],
      )
      ibm_model = IBMModel([])
  
      # act
      neighbors = ibm_model.neighboring(a_info)
  
      # assert: select a few particular alignments
      for neighbor in neighbors:
          if neighbor.alignment == (0, 2, 2):
              moved_alignment = neighbor
          elif neighbor.alignment == (0, 3, 2):
              swapped_alignment = neighbor
  
      self.assertEqual(moved_alignment.cepts, [[], [], [1, 2], []])
      self.assertEqual(swapped_alignment.cepts, [[], [], [2], [1]])
  
file_path: nltk/nltk/test/unit/translate/test_ibm_model.py
imports: import unittest
  from collections import defaultdict
  from nltk.translate import AlignedSent, IBMModel
  from nltk.translate.ibm_model import AlignmentInfo
label_desc: Use image node_id 9 for calling the TestIBMModel obj's underlying member method code with example usage: obj.test_neighboring_sets_neighbor_alignment_info() without return types